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Finding the Fourth Proportional to 549.48, 824.22 and 220.33

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Solution

The fourth proportional to 549.48, 824.22 and 220.33 is: 330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.48 : 824.22 = 220.33 : x
  2. Step 2: Convert to fraction form
    549.48/824.22 = 220.33/x
  3. Step 3: Cross multiply
    549.48x = 824.22 × 220.33
  4. Step 4: Simplify right side
    549.48x = 181,601.42
  5. Step 5: Solve for x
    x = 181,601.42/549.48
  6. Step 6: Final answer
    x = 330.49

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.